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Merge pull request #862 from DX-MON/master

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common: Improved the random seed initialisation for the context
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gatecat 2021-11-19 21:45:07 +00:00 committed by GitHub
commit f5cc959c4e
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1 changed files with 4 additions and 6 deletions
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10
common/command.cc
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@ -33,6 +33,7 @@
#include <boost/program_options.hpp> #include <boost/program_options.hpp>
#include <fstream> #include <fstream>
#include <iostream> #include <iostream>
#include <random>
#include "command.h" #include "command.h"
#include "design_utils.h" #include "design_utils.h"
#include "json_frontend.h" #include "json_frontend.h"
@ -223,12 +224,9 @@ void CommandHandler::setupContext(Context *ctx)
} }
if (vm.count("randomize-seed")) { if (vm.count("randomize-seed")) {
srand(time(NULL)); std::random_device randDev{};
int r; std::uniform_int_distribution<int> distrib{1};
do { ctx->rngseed(distrib(randDev));
r = rand();
} while (r == 0);
ctx->rngseed(r);
} }
if (vm.count("slack_redist_iter")) { if (vm.count("slack_redist_iter")) {